#!/usr/bin/env bash SELF="$0" # Linux bridge for connecting lan and wan network of guest machines BR_LAN="${BR_LAN:-br-lan}" BR_WAN="${BR_WAN:-br-wan}" # Host network interface providing internet access for guest machines IF_INET="${IF_INET:-eth0}" # qemu-bridge-helper does two things here # # - create tap interface # - add the tap interface to bridge # # as such it requires CAP_NET_ADMIN to do its job. It will be convenient to # have it as a root setuid program. Be aware of the security risks implied # # the helper has an acl list which defaults to deny all bridge. we need to add # $BR_LAN and $BR_WAN to its allow list # # # sudo vim /etc/qemu/bridge.conf # allow br-lan # allow br-wan # # Other allowed directives can be 'allow all', 'deny all', 'include xxx', See # qemu-bridge-helper.c of qemu source code for details. # # The helper can be provided by package qemu-system-common on debian, or # qemu-kvm-common on rhel # HELPER="${HELPER:-/usr/libexec/qemu-bridge-helper}" ### end of global settings __errmsg() { echo "$*" >&2 } do_setup() { # setup bridge for LAN network sudo ip link add dev "$BR_LAN" type bridge sudo ip link set dev "$BR_LAN" up sudo ip addr add 192.168.1.3/24 dev "$BR_LAN" # setup bridge for WAN network # # minimal dnsmasq config for configuring guest wan network with dhcp # # # sudo apt-get install dnsmasq # # sudo vi /etc/dnsmasq.conf # interface=br-wan # dhcp-range=192.168.7.50,192.168.7.150,255.255.255.0,30m # sudo ip link add dev "$BR_WAN" type bridge sudo ip link set dev "$BR_WAN" up sudo ip addr add 192.168.7.1/24 dev "$BR_WAN" # guest internet access sudo sysctl -w "net.ipv4.ip_forward=1" sudo sysctl -w "net.ipv4.conf.$BR_WAN.proxy_arp=1" while sudo iptables -t nat -D POSTROUTING -o "$IF_INET" -j MASQUERADE 2>/dev/null; do true; done sudo iptables -t nat -A POSTROUTING -o "$IF_INET" -j MASQUERADE } check_setup_() { ip link show "$BR_LAN" >/dev/null || return 1 ip link show "$BR_WAN" >/dev/null || return 1 [ -x "$HELPER" ] || { __errmsg "helper $HELPER is not an executable" return 1 } } check_setup() { [ -n "$o_network" ] || return 0 check_setup_ || { __errmsg "please check the script content to see the environment requirement" return 1 } } #do_setup; check_setup; exit $? usage() { cat >&2 < [ []] [--kernel ] [--rootfs ] [--machine ] [-n|--network] will default to "generic" and must be specified if are present e.g. for malta can be le, be, le64, be64, le-glibc, le64-glibc, etc , can be required or optional arguments to qemu depending on the actual in use. They will default to files under bin/targets/ Examples $SELF x86 64 $SELF x86 64 --machine q35,accel=kvm -device virtio-balloon-pci $SELF x86 64 -incoming tcp:0:4444 $SELF x86 64-glibc $SELF malta be -m 64 $SELF malta le64 $SELF malta be-glibc $SELF armvirt 32 \\ --machine virt,highmem=off \\ --kernel bin/targets/armvirt/32/openwrt-armvirt-32-zImage \\ --rootfs bin/targets/armvirt/32/openwrt-armvirt-32-root.ext4 EOF } rand_mac() { hexdump -n 3 -e '"52:54:00" 3/1 ":%02x"' /dev/urandom } parse_args() { o_network= o_qemu_extra=() while [ "$#" -gt 0 ]; do # Cmdline options for the script itself SHOULD try to be # prefixed with two dashes to distinguish them from those for # qemu executables. # # Also note that qemu accepts both --opt and -opt case "$1" in --kernel) o_kernel="$2"; shift 2 ;; --rootfs) o_rootfs="$2"; shift 2 ;; --machine|-machine|-M) o_mach="$2"; shift 2 ;; --network|-n) o_network=1; shift ;; --help|-h) usage exit 0 ;; *) if [ -z "$o_target" ]; then o_target="$1" elif [ -z "$o_subtarget" ]; then o_subtarget="$1" else o_qemu_extra+=("$1") fi shift ;; esac done MAC_LAN="$(rand_mac)" MAC_WAN="$(rand_mac)" [ -n "$o_target" ] || { usage return 1 } [ -n "$o_subtarget" ] || o_subtarget="generic" o_bindir="bin/targets/$o_target/$o_subtarget" } start_qemu_armvirt() { local kernel="$o_kernel" local rootfs="$o_rootfs" local mach="${o_mach:-virt}" local cpu local qemu_exe case "${o_subtarget%-*}" in 32) qemu_exe="qemu-system-arm" cpu="cortex-a15" [ -n "$kernel" ] || kernel="$o_bindir/openwrt-$o_target-${o_subtarget%-*}-zImage-initramfs" ;; 64) qemu_exe="qemu-system-aarch64" cpu="cortex-a57" [ -n "$kernel" ] || kernel="$o_bindir/openwrt-$o_target-${o_subtarget%-*}-Image-initramfs" ;; *) __errmsg "target $o_target: unknown subtarget $o_subtarget" return 1 ;; esac [ -z "$rootfs" ] || { if [ ! -f "$rootfs" -a -s "$rootfs.gz" ]; then gunzip "$rootfs.gz" fi o_qemu_extra+=( \ "-drive" "file=$rootfs,format=raw,if=virtio" \ "-append" "root=/dev/vda rootwait" \ ) } [ -z "$o_network" ] || { o_qemu_extra+=( \ "-netdev" "bridge,id=lan,br=$BR_LAN,helper=$HELPER" \ "-device" "virtio-net-pci,id=devlan,netdev=lan,mac=$MAC_LAN" \ "-netdev" "bridge,id=wan,br=$BR_WAN,helper=$HELPER" "-device" \ "virtio-net-pci,id=devwan,netdev=wan,mac=$MAC_WAN" \ ) } "$qemu_exe" -machine "$mach" -cpu "$cpu" -nograp

#
# Copyright (C) 2009-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=lib_ifxos
PKG_VERSION:=1.5.12
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_RELEASE:=2
PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources
PKG_MD5SUM:=ba775356bdd5e1b73b3e11a152710ed6

include $(INCLUDE_DIR)/package.mk

define KernelPackage/ifxos
  SUBMENU:=Other modules
  TITLE:=Lantiq OS abstraction library
  URL:=http://www.lantiq.com/
  MAINTAINER:=Lantiq
  DEPENDS:=@TARGET_ifxmips @BROKEN
  FILES:=$(PKG_BUILD_DIR)/src/drv_ifxos.ko
  AUTOLOAD:=$(call AutoLoad,10,drv_ifxos)
endef

CONFIGURE_ARGS += \
	ARCH=$(LINUX_KARCH) \
	--enable-linux-26 \
	--enable-kernelbuild="$(LINUX_DIR)" \
	--enable-kernelincl="$(LINUX_DIR)/include" \
	--enable-add_drv_cflags="-fno-pic -mno-abicalls -mlong-calls -G 0"

define Build/Configure
	(cd $(PKG_BUILD_DIR); aclocal && autoconf && automake)
	$(call Build/Configure/Default)
endef

define Build/InstallDev
	$(INSTALL_DIR) $(1)/usr/{lib,include/ifxos}
	$(CP) $(PKG_BUILD_DIR)/src/include/* $(1)/usr/include/ifxos
	mkdir -p $(1)/usr/lib
	$(CP) $(PKG_BUILD_DIR)/src/libifxos.a $(1)/usr/lib/libifxos.a
endef

$(eval $(call KernelPackage,ifxos))